Pastry Crimper and Sealer, Keep that knife in the drawer! Cut pastries and ravioli easily Pastry Crimper. The fluted, stainless steel wheel allows you to make smooth, crimped cuts. All you have to do is roll! A perfect tool for crimping and sealing pastry dough for turnovers, dumplings, puff pastry items and filled Danish. Keep your fingers out of harm's way and utilize the safety and convenience of this pastry crimper.